By Grade
NEODYMIUM IRON BORON MAGNETS – Magnet Grade
Magnet Grade – Known as third generation of Rare Earth magnets, Neodymium Iron Boron (NdFeB) magnets are the most powerful and advanced commercialized permanent magnet today. Since they are made from Neodymium, one of the most plentiful rare earth elements, and inexpensive iron, NdFeB magnets offer the best value in cost and performance.
Sintered NdFeB Magnets By Grade
NdFeB magnets are available in both sintered and bonded forms. Sintered NdFeB offers the highest magnetic properties (28 MGOe to 50 MGOe) while Bonded NdFeB offers lower energy properties. Although bonded magnets do not possess magnetic properties as advanced as those of sintered magnets, they can be made in shapes and sizes that are difficult to achieve with sintering.
A variety of coatings can be applied to the magnets’ surface to overcome the principle drawback of neodymium-based magnets, their tendency to corrode easily.
Neodymium Magnet Grade: N27-N52, 30M-50M, 30H-48H, 30SH-45SH, 28UH-40UH, 28EH-38EH, 28AH~35AH;
Sintered NdFeB Magnets By Grade
Typical Magnetic Properties / Magnet Grade
Grade | Max. Energy Product | Remanence | Coercive Force | Rev. Temp. Coeff. | Curie Temp. | Max. Working Temp. | ||||||
(BH)max | Br | Hc | Hci | Bd | Hd | Tc | Tw | |||||
MGOe | kJ/m3 | kG | mT | kOe | kA/m | kOe | kA/m | %/°C | %/°C | °C | °C | |
N27 | 25-29 | 199-231 | 10.50 | 1050 | >10.0 | >796 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N30 | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N33 | 31-33 | 247-263 | 11.50 | 1150 | >10.5 | >836 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N35 | 33-36 | 263-287 | 12.00 | 1200 | >10.9 | >868 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N38 | 36-39 | 287-310 | 12.40 | 1240 | >11.3 | >899 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N40 | 38-41 | 302-326 | 12.70 | 1270 | >11.4 | >907 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N42 | 40-43 | 318-342 | 13.00 | 1300 | >11.5 | >915 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N45 | 43-46 | 342-366 | 13.50 | 1350 | >11.6 | >923 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N48 | 46-49 | 366-390 | 14.00 | 1400 | >11.6 | >923 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N50 | 48-51 | 382-406 | 14.30 | 1430 | >10.3 | >820 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N52 | 50-53 | 398-422 | 14.50 | 1450 | >10.3 | >820 | >11.0 | >877 | -0.12 | -0.60 | 310 | 80 |
N30M | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N33M | 31-33 | 247-263 | 11.50 | 1150 | >10.5 | >836 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N35M | 33-36 | 263-287 | 12.00 | 1200 | >10.9 | >868 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N38M | 36-39 | 287-310 | 12.40 | 1240 | >11.4 | >907 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N40M | 38-41 | 302-326 | 12.70 | 1270 | >11.6 | >923 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N42M | 40-43 | 318-342 | 13.00 | 1300 | >12.0 | >955 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N45M | 43-46 | 342-366 | 13.50 | 1350 | >12.5 | >995 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N48M | 46-49 | 366-390 | 14.00 | 1400 | >12.9 | >1027 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N50M | 48-51 | 382-406 | 14.30 | 1430 | >13.1 | >1043 | >14.0 | >1114 | -0.11 | -0.58 | 320-350 | 100 |
N30H | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N33H | 31-34 | 247-271 | 11.50 | 1150 | >10.5 | >836 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N35H | 33-36 | 263-287 | 12.00 | 1200 | >10.9 | >868 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N38H | 36-39 | 287-310 | 12.40 | 1240 | >11.4 | >907 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N40H | 38-41 | 302-326 | 12.70 | 1270 | >11.6 | >923 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N42H | 40-43 | 318-342 | 13.00 | 1300 | >12.0 | >955 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N45H | 43-46 | 342-366 | 13.50 | 1350 | >12.5 | >999 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N48H | 46-49 | 366-390 | 14.00 | 1400 | >12.9 | >1027 | >17.0 | >1353 | -0.11 | -0.55 | 340-360 | 120 |
N30SH | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N33SH | 31-34 | 247-271 | 11.50 | 1150 | >10.6 | >844 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N35SH | 33-36 | 263-287 | 12.00 | 1200 | >11.0 | >876 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N38SH | 36-39 | 287-310 | 12.40 | 1240 | >11.4 | >907 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N40SH | 38-41 | 302-326 | 12.70 | 1270 | >11.8 | >939 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N42SH | 40-43 | 318-342 | 13.00 | 1300 | >12.4 | >987 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N45SH | 43-46 | 342-366 | 13.50 | 1350 | >12.6 | >1003 | >20.0 | >1592 | -0.11 | -0.51 | 350-380 | 150 |
N28UH | 26-29 | 207-231 | 10.60 | 1060 | >9.6 | >764 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N30UH | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N33UH | 31-34 | 247-271 | 11.50 | 1150 | >10.8 | >860 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N35UH | 33-36 | 263-287 | 12.00 | 1200 | >11.3 | >899 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N38UH | 36-39 | 287-310 | 12.40 | 1240 | >11.5 | >915 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N40UH | 38-41 | 302-326 | 12.70 | 1270 | >11.8 | >939 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N28EH | 26-29 | 207-231 | 10.70 | 1070 | >9.8 | >780 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N30EH | 28-31 | 223-247 | 11.10 | 1110 | >10.2 | >812 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N33EH | 31-34 | 227-271 | 11.50 | 1150 | >10.8 | >860 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N35EH | 33-36 | 263-287 | 12.00 | 1200 | >11.1 | >884 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N38EH | 36-39 | 287-310 | 12.40 | 1240 | >11.5 | >915 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N28AH | 26-29 | 207-231 | 10.70 | 1070 | >9.8 | >780 | >35.0 | >2786 | -0.11 | -0.51 | 350-380 | 220 |
N30AH | 28-31 | 223-247 | 11.10 | 1110 | >10.2 | >812 | >35.0 | >2786 | -0.11 | -0.51 | 350-380 | 220 |
N33AH | 31-34 | 227-271 | 11.50 | 1150 | >10.8 | >860 | >35.0 | >2786 | -0.11 | -0.51 | 350-380 | 220 |
N35AH | 33-36 | 263-287 | 12.00 | 1200 | >11.1 | >884 | >35.0 | >2786 | -0.11 | -0.51 | 350-380 | 220 |
Cubemagnet Neodymium Golden Plating N48 10mm
Cubemagnet Neodymium Golden Plating N48 10mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, Whiteboard Fridge Magnets China Factory 10 mm x 10 mm x 10 mm Cubemagnet Neodymium Golden Plating N48 Technical Specifications: Item: NCBN48-10-G Grade: N48 Material: Neodymium (NdFeB) Plating: Gold Shape: Cube, Cubical, Cubio […]
Cube Shape Magnet Neodymium N40 10mm
Cube Shape Magnet Neodymium N40 10mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, Whiteboard Fridge Magnets China Factory 10 mm x 10 mm x 10 mm Cube Shape Magnet Neodymium N40 Technical Specifications: Item: NCBN40-10 Grade: N40 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio […]
Elegant Permanent Cube Magnet N45 10mm
Elegant Permanent Cube Magnet N45 10mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, Whiteboard Fridge Magnets China Factory 10 mm x 10 mm x 10 mm Elegant Permanent Cube Magnet N45 Technical Specifications: Item: NCBN45-10 Grade: N45 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio […]
Cube Permanent Magnet Gold Coating N45 8mm
Cube Permanent Magnet Gold Coating N45 8mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, Whiteboard Fridge Magnets China Factory 8 mm x 8 mm x 8 mm Cube Permanent Magnet Gold Coating N45 Technical Specifications: Item: NCBN45-8-G Grade: N45 Material: Neodymium (NdFeB) Plating: Gold Shape: Cube, […]
Cubical Neodymium Magnet N50 8mm
Cubical Neodymium Magnet N50 8mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, Whiteboard Fridge Magnets China Factory 8 mm x 8 mm x 8 mm Cubical Neodymium Magnet N50 Technical Specifications: Item: NCBN50-8 Grade: N50 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio Dimension: Length […]
Neodymium Rare Earth Magnetic Cube N40 8mm
Neodymium Rare Earth Magnetic Cube N40 8mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, Whiteboard Fridge Magnets China Factory 8 mm x 8 mm x 8 mm Neodymium Rare Earth Magnetic Cube N40 Technical Specifications: Item: NCBN40-8 Grade: N40 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, […]
Rare Earth Neodymium Cubical Magnet N50 7mm
Rare Earth Neodymium Cubical Magnet N50 7mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, Whiteboard Fridge Magnets China Factory 7 mm x 7 mm x 7 mm Rare Earth Neodymium Cubical Magnet N50 Technical Specifications: Item: NCBN50-7 Grade: N50 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, […]
Rare Earth Neo Cube Magnet N42 7mm
Rare Earth Neo Cube Magnet N42 7mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, fridge or whiteboard magnet China Factory 7 mm x 7 mm x 7 mm Rare Earth Neo Cube Magnet N42 Technical Specifications: Item: NCBN42-7 Grade: N42 Material: Neodymium (NdFeB) Plating: Nickel Shape: […]
Rare Earth Cube Magnet N45 6mm
Rare Earth Cube Magnet N45 6mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, fridge or whiteboard magnet China Factory 6 mm x 6 mm x 6 mm Rare Earth Cube Magnet N45 Technical Specifications: Item: NCBN45-6 Grade: N45 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, […]
Extremely Elegant Magnet Cube Copper Plating N42 5mm
Extremely Elegant Magnet Cube Copper Plating N42 5mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, fridge or whiteboard magnet China Factory 5 mm x 5 mm x 5 mm Extremely Elegant Magnet Cube Copper Plating N42 Technical Specifications: Item: NCBN42-5-Cu Grade: N42 Material: Neodymium (NdFeB) Plating: […]
Extra Strong Cube Magnet NdFeB N52 5mm
Extra Strong Cube Magnet NdFeB N52 5mm, Amazing Cube Permanent Magnets, Rare Earth Extremely Elegant Cubical NdFeB Magnet, Magic Toy Puzzle Magnet Block Cubes, fridge or whiteboard magnet China Factory 5 mm x 5 mm x 5 mm Extra Strong Cube Magnet NdFeB N52 Technical Specifications: Item: NCBN52-5 Grade: N52 Material: Neodymium (NdFeB) Plating: Nickel Shape: […]
Gold Plating NdFeB Cube N50 5mm
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NdFeB Cube Magnet Gold N42 5mm
NdFeB Cube Magnet Gold N42 5mm, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 5 mm x 5 mm x 5 mm NdFeB Cube Magnet Gold N42 Technical Specifications: Item: NCBN42-5-Au Grade: N42 Material: Neodymium (NdFeB) Plating: Gold Shape: Cube, Cubical, Cubio Dimension: Length […]
Cube NdFeB Magnet Golden N45 5mm
Cube NdFeB Magnet Golden N45 5mm, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 5 mm x 5 mm x 5 mm Cube NdFeB Magnet Golden N45 Technical Specifications: Item: NCBN45-5-Au Grade: N45 Material: Neodymium (NdFeB) Plating: Gold Shape: Cube, Cubical, Cubio Dimension: Length […]
Cube Neodymium Magnet Chrome N45 5mm
Cube Neodymium Magnet Chrome N45 5mm, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 5 mm x 5 mm x 5 mm Cube Neodymium Magnet Chrome N45 Technical Specifications: Item: NCBN45-5-Cr Grade: N45 Material: Neodymium (NdFeB) Plating: Chrome Shape: Cube, Cubical, Cubio Dimension: Length […]
Cube Magnet Neodymium Silver N45 5mm
Cube Magnet Neodymium Silver N45 5mm, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 5 mm x 5 mm x 5 mm Cube Magnet Neodymium Silver N45 Technical Specifications: Item: NCBN45-5-Ag Grade: N45 Material: Neodymium (NdFeB) Plating: Silver Shape: Cube, Cubical, Cubio Dimension: Length […]
Cube Magnets Use for Home Office N50 5mm
Cube Magnets Use for Home Office N50 5mm, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 5 mm x 5 mm x 5 mm Cube Magnets Use for Home Office N50 Technical Specifications: Item: NCBN50-5 Grade: N50 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, […]
Small Neodymium Cube Magnet N42 5mm
Small Neodymium Cube Magnet N42 5mm, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 5 mm x 5 mm x 5 mm Small Neodymium Cube Magnet N42 Technical Specifications: Item: NCBN42-5 Grade: N42 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio Dimension: Length […]
Small Cube Magnet N42 4mm
Small Cube Magnet N42 5mm, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 4 mm x 4 mm x 4 mm Small Cube Magnet N42 Technical Specifications: Item: NCBN42-4 Grade: N42 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio Dimension: Length (L): 4 […]
4mm Small Neodymium Cube N50 Ni
4mm Small Neodymium Cube N50 Ni, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 4 mm x 4 mm x 4 mm Small Neodymium Cube N50 Ni Technical Specifications: Item: NCBN50-4 Grade: N50 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio Dimension: Length […]
3mm Smallest Magnet Cube Neodymium N50 Ni
3mm Smallest Magnet Cube Neodymium N50 Ni, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 3 mm x 3 mm x 3 mm Smallest Magnet Cube Neodymium N50 Ni Technical Specifications: Item: NCBN50-3 Grade: N50 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio […]
3mm Tiny Magnet Cube Neodymium N45 Nickel
3mm Tiny Magnet Cube Neodymium N45 Nickel, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 3 mm x 3 mm x 3 mm Tiny Magnet Cube Neodymium N45 Nickel Technical Specifications: Item: NCBN45-3 Grade: N45 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio […]
2mm Tiny NdFeB Magnet Cube N45 Nickel
2mm Tiny NdFeB Magnet Cube N45 Nickel, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cubical Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 2 mm x 2 mm x 2 mm Tiny NdFeB Magnet Cube N45 Nickel Technical Specifications: Item: NCBN45-2 Grade: N45 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio […]
1mm Tiny Cube Magnet N45 Nickel
1mm Tiny Cube Magnet N45 Nickel, Amazing Cube Permanent NdFeB Magnets, Rare Earth Superior Strong Cube Magnet, Magic Toy Puzzle Magnet Block Cubes China Factory 1 mm x 1 mm x 1 mm Tiny Cube Magnet N45 Nickel Technical Specifications: Item: NCBN45-1 Grade: N45 Material: Neodymium (NdFeB) Plating: Nickel Shape: Cube, Cubical, Cubio Dimension: Length […]
25 x 160mm Giant Rod Magnet Neodymium Radial N45 Ni
25 x 160mm Giant Rod Magnet Neodymium Radial N45 Ni, Amazing Powerful Bar Permanent NdFeB Magnets, Rare Earth Superior Strong Rod Magnet, Licensed Sintering Neodymium Cylinder Magnet China Factory Ø 25 x 160mm Giant Rod Magnet Neodymium Radial N45 Ni Technical Specifications: Item: NRON45-25-160 Grade: N45 Material: Neodymium (NdFeB) Plating: Nickel Shape: Rod, Cylinder, Cylindrical, […]
30 x 50mm Superior Strong Magnet Cylinder N52 Ni
30 x 50mm Superior Strong Magnet Cylinder N52 Ni, Amazing Powerful Bar Permanent NdFeB Magnets, Home Office Rare Earth Super Strong Rod Magnet, Licensed Sintering Neodymium Cylinder Magnet China Factory Ø 30 x 50mm Superior Strong Magnet Cylinder N52 Ni Technical Specifications: Item: NRON52-30-50 Grade: N52 Material: Neodymium (NdFeB) Plating: Nickel Shape: Rod, Cylinder, Cylindrical, […]
20 x 35mm Super Permanent Magnets Cylinder N45 Ni
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20 x 20mm Super Neodymium Magnetic Cylinder N45 Ni
20 x 20mm Super Neodymium Magnetic Cylinder N45 Ni, Amazing Powerful Bar Permanent NdFeB Magnets, Home Office Rare Earth Super Strong Rod Magnet, Licensed Sintering Neodymium Cylinder Magnet China Factory Ø 20 x 20mm Super Neodymium Magnetic Cylinder N45 Ni Technical Specifications: Item: NRON45-20-20 Grade: N45 Material: Neodymium (NdFeB) Plating: Nickel Shape: Rod, Cylinder, Cylindrical, […]